[INFO] fetching crate rmcp 3.5.0...
[INFO] testing rmcp-3.5.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate rmcp 3.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rmcp 3.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rmcp 3.5.0
[INFO] tweaked toml for crates.io crate rmcp 3.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmcp 3.5.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmcp 3.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v8.0.6
[INFO] [stderr]   Downloaded rstest_macros v0.27.0
[INFO] [stderr]   Downloaded rstest v0.27.0
[INFO] [stderr]   Downloaded rmcp-macros v3.5.0
[INFO] [stderr]   Downloaded process-wrap v10.0.1
[INFO] [stderr]   Downloaded jsonwebtoken v11.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66
[INFO] running `Command { std: "docker" "start" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling strsim v0.11.1
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[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling rmcp v3.5.0 (/opt/rustwide/workdir)
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[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling pastey v0.2.3
[INFO] [stderr]    Compiling uuid v1.26.1
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling darling_core v0.24.1
[INFO] [stderr]    Compiling serde_derive_internals v0.30.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.27
[INFO] [stderr]    Compiling thiserror-impl v2.0.21
[INFO] [stderr]    Compiling ref-cast v1.0.27
[INFO] [stderr]    Compiling schemars_derive v1.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling darling_macro v0.24.1
[INFO] [stderr]    Compiling darling v0.24.1
[INFO] [stderr]    Compiling rmcp-macros v3.5.0
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling tokio-util v0.7.19
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[INFO] [stdout] warning: method `matches_response_id` is never used
[INFO] [stdout]    --> src/model.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 314 | impl NumberOrString {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     pub(crate) fn matches_response_id(&self, response_id: &Self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_client_request_metadata` is never used
[INFO] [stdout]     --> src/service.rs:1038:19
[INFO] [stdout]      |
[INFO] [stdout]  812 | impl<R: ServiceRole> Peer<R> {
[INFO] [stdout]      | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1038 |     pub(crate) fn set_client_request_metadata(&self, metadata: ClientRequestMetadata) {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_authorization_required` is never used
[INFO] [stdout]    --> src/transport.rs:275:19
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl DynamicTransportError {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 275 |     pub(crate) fn is_authorization_required(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.17s
[INFO] running `Command { std: "docker" "inspect" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.16.2
[INFO] [stderr]    Compiling serde_core v1.0.229
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[INFO] [stderr]    Compiling http-body v1.1.0
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[INFO] [stderr]    Compiling toml_edit v0.25.15+spec-1.1.0
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[INFO] [stderr]    Compiling icu_locale_core v2.3.0
[INFO] [stderr]    Compiling darling_macro v0.24.1
[INFO] [stderr]    Compiling darling v0.24.1
[INFO] [stderr]    Compiling rmcp-macros v3.5.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling icu_provider v2.3.1
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling icu_properties v2.3.0
[INFO] [stderr]    Compiling icu_normalizer v2.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling rstest v0.27.0
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stderr]    Compiling schemars v1.2.2
[INFO] [stderr]    Compiling idna_adapter v1.2.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling hyper v1.11.1
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tokio-util v0.7.19
[INFO] [stderr]    Compiling rmcp v3.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hyper-util v0.1.21
[INFO] [stderr]    Compiling axum v0.8.9
[INFO] [stdout] warning: method `matches_response_id` is never used
[INFO] [stdout]    --> src/model.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 314 | impl NumberOrString {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     pub(crate) fn matches_response_id(&self, response_id: &Self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_client_request_metadata` is never used
[INFO] [stdout]     --> src/service.rs:1038:19
[INFO] [stdout]      |
[INFO] [stdout]  812 | impl<R: ServiceRole> Peer<R> {
[INFO] [stdout]      | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1038 |     pub(crate) fn set_client_request_metadata(&self, metadata: ClientRequestMetadata) {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_authorization_required` is never used
[INFO] [stdout]    --> src/transport.rs:275:19
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl DynamicTransportError {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 275 |     pub(crate) fn is_authorization_required(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `stdio` in module `rmcp::transport`
[INFO] [stdout]    --> tests/test_stdio_response_concurrency.rs:106:61
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let server = LargeResponseServer.serve(rmcp::transport::stdio()).await?;
[INFO] [stdout]     |                                                             ^^^^^ not found in `rmcp::transport`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/transport.rs:94:13
[INFO] [stdout]     |
[INFO] [stdout]  93 | #[cfg(feature = "transport-io")]
[INFO] [stdout]     |       ------------------------ the item is gated behind the `transport-io` feature
[INFO] [stdout]  94 | pub use io::stdio;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/test_stdio_response_concurrency.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     server.waiting().await?;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout]     = note: `#[warn(method_call_on_diverging_infer_var)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `waiting` found for type `!` in the current scope
[INFO] [stdout]    --> tests/test_stdio_response_concurrency.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     server.waiting().await?;
[INFO] [stdout]     |            ^^^^^^^ method not found in `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmcp` (test "test_stdio_response_concurrency") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `matches_response_id` is never used
[INFO] [stdout]    --> src/model.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 314 | impl NumberOrString {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     pub(crate) fn matches_response_id(&self, response_id: &Self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_client_request_metadata` is never used
[INFO] [stdout]     --> src/service.rs:1038:19
[INFO] [stdout]      |
[INFO] [stdout]  812 | impl<R: ServiceRole> Peer<R> {
[INFO] [stdout]      | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1038 |     pub(crate) fn set_client_request_metadata(&self, metadata: ClientRequestMetadata) {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_authorization_required` is never used
[INFO] [stdout]    --> src/transport.rs:275:19
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl DynamicTransportError {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 275 |     pub(crate) fn is_authorization_required(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66", kill_on_drop: false }`
[INFO] [stdout] 507a8121c8767786463337b39aeeacbcde6b1d36a267557a38cf26dbc5c62a66
